<p>This specification covers an aluminum alloy in the form of sheet 0.020 to 0.128 inch, incl (0.51 to 3.25 mm, incl) in nominal thickness (see 8.4).</p>

Rationale

<p>AMS4297B revises Properties (3.3.1.1), Introduces a new requirement related to exceptions (3.6), revises Reports (4.4) and Identification (5.1.1), and is a Five-Year Review and update of this specification.</p>